hi here's the thing i hae not had a period yet for january an this month is almost over on jan 19 i went to the bathroom wiped saw blood but no period later that day no blood no period jan21 nothing no blood  no period jan.22 wiped blood but no period. Went to the doctor the same day they gave me a ureine pregancy test it was negative the doctor said i could be having a irragular period but i always have a period every month on time could i be pregant what do u think about this.